Debian, arguably the most important Linux distribution, is readying to celebrate its 15th birthday on August 16.
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Quote:

On 16 August 1993 Debian founder Ian Murdock announced the brand new Linux distribution:

This is just to announce the imminent completion of a brand-new Linux release, which Im calling the Debian Linux Release. This is a release that I have put together basically from scratch; in other words, I didnt simply make some changes to SLS and call it a new release, Murdock wrote.